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Fencer Vulns
critical 9.8

CVE-2002-0391 in the critical feed json

Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including d…

published 2002-08-12 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0388

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
58.1%
EPSS 58.1% chance of exploitation in 30 days, percentile 99%
public exploits
0
none known

Summary

Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.

Patch / fix

  • acm Debian 13, Debian 12 5.0-10
  • krb5 Debian 14, Debian 13, Debian 12 1.2.5-2
  • glibc Debian 14, Debian 13, Debian 12 2.2.5-13
  • openafs Debian 13, Debian 12 1.2.6-1
  • dietlibc Debian 14, Debian 13, Debian 12 0.20-0cvs20020808

debian advisories DEBIAN-CVE-2002-0391

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2002-0391 updated

security flaw

  • Red Hat Linux 6.2 Red Hat Linux 7.0 Red Hat Linux 7.1 Red Hat Linux 7.2 Red Hat Linux 7.3
    fixed: vendor fix RHSA-2002:166

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

58.13% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • marc.info http://marc.info/?l=bugtraq&m=102821928418261&w=2 referenced PoC, tagged "exploit" by a source, unverified
  • marc.info http://marc.info/?l=bugtraq&m=102813809232532&w=2 referenced PoC, tagged "exploit" by a source, unverified
  • marc.info http://marc.info/?l=bugtraq&m=102821785316087&w=2 referenced PoC, tagged "exploit" by a source, unverified
  • marc.info http://marc.info/?l=bugtraq&m=102831443208382&w=2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.